Thread: JB4
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SEAN_13@MSN.COM SEAN_13@MSN.COM is offline
New Member
Posts: 5
Join Date: Sep 2019
Car: 08 E92
Smile JB4 - 09-11-2019, 01:38 PM

Got a question I put a JB4 in last year in my 08 e92 it would over boost a little on stock turbos and stage 2 lpfp on e50 now I added mmp 1K turbos catted down ***** and vrsf 5 inch hd I also have a back end flash from motiv still fine tuning that tune but with the new turbos I over shoot target by 6to7 psi
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